"Independent research shows that just one volunteer potato/sq m depresses sugar beet yields by 3t/ha."

Dow Shield at 0.5 litres/ha or 0.35 litres/ha should be applied in two or three passes respectively, starting when potato shoots are 5-10cm tall, he says. Ethofumesate in the tank-mix helps take the haulm down, as does Debut, adds colleague Donald Westwater. &#42